You can drip some artificial tears or eye drops to alleviate the dry and sore feeling. Blink your eyes more to keep your eyes moist. Do not spend a long time in manipulating computers or reading, after about one hour, take a break and relax your eyes. Pay attention to the ocular hygiene and wash hands frequently. Do not rub your eyes and avoid wearing contact lenses in this case. In addition, try not to use the air conditioner or air heating, place a humidifier in the room to add moisture to air that is too dry. You can also add your consumption of foods rich of vitamin A, vitamin C, vitamin E and vitamin B1 in your daily diet to supplement the eyes with necessary nutrition.